64572160

素因数分解:

$2^8\times 5^1\times {\mathrm{61}}^1\times {\mathrm{827}}^1$

素因数の和:909

約数の個数: 72

約数和(自身を含む): 157396176

約数和(自身を除く): 92824016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 256, 305, 320, 488, 610, 640, 827, 976, 1220, 1280, 1654, 1952, 2440, 3308, 3904, 4135, 4880, 6616, 7808, 8270, 9760, 13232, 15616, 16540, 19520, 26464, 33080, 39040, 50447, 52928, 66160, 78080, 100894, 105856, 132320, 201788, 211712, 252235, 264640, 403576, 504470, 529280, 807152, 1008940, 1058560, 1614304, 2017880, 3228608, 4035760, 6457216, 8071520, 12914432, 16143040, 32286080, 64572160]

約数ペア:

[(1, 64572160), (2, 32286080), (4, 16143040), (5, 12914432), (8, 8071520), (10, 6457216), (16, 4035760), (20, 3228608), (32, 2017880), (40, 1614304), (61, 1058560), (64, 1008940), (80, 807152), (122, 529280), (128, 504470), (160, 403576), (244, 264640), (256, 252235), (305, 211712), (320, 201788), (488, 132320), (610, 105856), (640, 100894), (827, 78080), (976, 66160), (1220, 52928), (1280, 50447), (1654, 39040), (1952, 33080), (2440, 26464), (3308, 19520), (3904, 16540), (4135, 15616), (4880, 13232), (6616, 9760), (7808, 8270)]